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(21031) 1989 TO15

minor planet
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(21031) 1989 TO15

Summary

(21031) 1989 TO15 is an asteroid[1]. (21031) 1989 TO15 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (21031) 1989 TO15 is credited with the discovery of Henri Debehogne[3].
  • (21031) 1989 TO15's instance of is recorded as asteroid[4].
  • (21031) 1989 TO15's site of astronomical discovery is recorded as La Silla Observatory[5].
  • (21031) 1989 TO15's follows is recorded as (21030) 1989 TZ11[6].
  • (21031) 1989 TO15's followed by is recorded as (21032) 1989 TN16[7].
  • (21031) 1989 TO15's minor planet group is recorded as asteroid belt[8].
  • (21031) 1989 TO15's parent astronomical body is recorded as Sun[9].
  • (21031) 1989 TO15's provisional designation is recorded as 1989 TO15[10].
  • (21031) 1989 TO15's provisional designation is recorded as 1994 CW2[11].
  • (21031) 1989 TO15's time of discovery or invention is recorded as +1989-10-03T00:00:00Z[12].
  • (21031) 1989 TO15's Freebase ID is recorded as /m/0h1bkg0[13].
  • (21031) 1989 TO15's JPL Small-Body Database SPK-ID is recorded as 20021031[14].
  • (21031) 1989 TO15's orbital eccentricity is recorded as {'amount': '+0.23'}[15].
  • (21031) 1989 TO15's orbital eccentricity is recorded as {'amount': '+0.2327665'}[16].
  • (21031) 1989 TO15's orbital eccentricity is recorded as {'amount': '+0.2316439580600052'}[17].
  • (21031) 1989 TO15's absolute magnitude is recorded as {'amount': '+15.7'}[18].
  • (21031) 1989 TO15's absolute magnitude is recorded as {'amount': '+15.8'}[19].
  • (21031) 1989 TO15's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.58154'}[20].
  • (21031) 1989 TO15's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.581028738778244'}[21].
  • (21031) 1989 TO15's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.51'}[22].
  • (21031) 1989 TO15's orbital period is recorded as {'unit': 'Q573', 'amount': '+1282.265133712186'}[23].
  • (21031) 1989 TO15's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+199.44962'}[24].
  • (21031) 1989 TO15's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+199.2624362829965'}[25].
  • (21031) 1989 TO15's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.3098068'}[26].
  • (21031) 1989 TO15's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.309863259473505'}[27].

Body

Designation and Status

(21031) 1989 TO15's instance of is recorded as asteroid[4].

Why It Matters

(21031) 1989 TO15 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . Freebase Data Dumps. wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). (21031) 1989 TO15. Retrieved May 3, 2026, from https://4ort.xyz/entity/21031-1989-to15
MLA “(21031) 1989 TO15.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21031-1989-to15.
BibTeX @misc{4ortxyz_21031-1989-to15_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21031) 1989 TO15}}, year = {2026}, url = {https://4ort.xyz/entity/21031-1989-to15}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21031) 1989 TO15 — https://4ort.xyz/entity/21031-1989-to15 (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+3.51'}, {'unit': 'Q573', 'amount': '+1282.265133712186'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+221.11846'}, {'unit': 'Q28390', 'amount': '+221.4770318013461'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+6.88269'}, {'unit': 'Q28390', 'amount': '+72.46403295186629'}
    Followed by → —
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.